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How Czechia ranks worldwide on dormant space, the transfer market, routing security and address density.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Czechia over time.
The largest autonomous systems registered to Czechia by IPv4 footprint.
Czechia against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
714 autonomous systems registered to Czechia. Click an AS for detail.
| 11 |
| AS2571CZ | DHLNET - DHL Information Services (Europe) s.r.o | 438.5K | 100 |
| AS29208CZ | QUANTCOM-AS Quantcom, a.s. | 274.4K | 41 |
| AS28725CZ | CETIN-AS CETIN a.s. | 265.2K | 10 |
| AS30764CZ | PODA-AS PODA a.s. | 220.4K | 21 |
| AS42908CZ | CZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s. | 183.3K | 44 |
| — |
| — |
| 0 |
| AS47200CZ | NIXCZ-RS NIX.CZ z.s.p.o. | — | — | 0 |
| AS41456CZ | Smartbox-AS STARNET, s.r.o. | — | — | 0 |
| AS216241CZ | VSB_CZ Vysoka skola banska - Technicka univerzita Ostrava | — | — | 0 |
| AS207575CZ | brabeczc-as Zahradnicke centrum Brabec, s.r.o. | — | 1 | 1 |
| AS214757CZ | Jakub-Krsa Jakub Krsa | — | 118 | 13 |
| AS213813CZ | MASON-CZ-AS MaSON z. s. | — | 1 | 1 |
| AS60275CZ | AS_RVTECH RVTech s.r.o. | — | 1 | 1 |
| AS209431CZ | Pharocom PharoCom s.r.o. | — | 524.3K | 1 |
| AS207272CZ | Vojtech-Linhart-Department-of-Telecom Vojtech Linhart | — | 2 | 2 |
| AS209268CZ | HODL HODL s.r.o. | — | — | 0 |
| AS204543CZ | FHRNET Filip Hruska | — | — | 0 |
| AS213874CZ | NSIX-Route-Servers Jakub Krsa | — | — | 0 |
| AS210325CZ | Airnetworks ISP Alliance a.s. | — | — | 0 |
| AS210951CZ | MIEGLNET Josef Miegl | — | 13 | 13 |
| AS60727CZ | K2-cloud K2 atmitec s.r.o. | — | — | 0 |
| AS213776CZ | ASTELECONNECT TeleConnect CZ s.r.o. | — | — | 0 |
| AS15485CZ | GTSNOVERA T-Mobile Czech Republic a.s. | — | — | 0 |
| AS201457CZ | KOOPERATIVA-AS2 Kooperativa pojistovna, a.s., Vienna Insurance Group | — | — | 0 |
| AS50651CZ | WBD-EDGE-AS HBO Europe s.r.o. | — | — | 0 |
| AS207434CZ | GRC Generalni reditelstvi cel | — | — | 0 |
| AS203450CZ | LogicPrim Edera Group a.s. | — | — | 0 |
| AS2605CZ | CESNET CESNET z.s.p.o. | — | — | 0 |
| AS2819CZ | GTSCZ T-Mobile Czech Republic a.s. | — | — | 0 |
| AS207887CZ | FIOBANKA-AS Fio banka, a.s. | — | — | 0 |
| AS43895CZ | ZENTIVA-NET Zentiva Group, a.s | — | — | 0 |
| AS41824CZ | IH-LOSAN-NET O2 Czech Republic, a.s. | — | — | 0 |
| AS197566CZ | ASOKNET Livady s.r.o. | — | — | 0 |
| AS201761CZ | GS-NET ISP Alliance a.s. | — | — | 0 |
| AS202522CZ | CZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s. | — | — | 0 |
| AS44672CZ | DataSpring3 Cloud4com s.r.o. | — | — | 0 |
| AS57823CZ | ASKKNET Libor Kotoucek | — | — | 0 |
| AS200848CZ | luminet2 ISP Alliance a.s. | — | — | 0 |
| AS204216CZ | netsearch netsearch s.r.o. | — | — | 0 |
| AS206344CZ | AUKRO Fortion Networks, s.r.o. | — | — | 0 |
| AS3234CZ | Parliament of the Czech Republic | — | — | 0 |
| AS12608CZ | DATALABS-TRANSPORT-AS IGLG Network CZ s.r.o. | — | — | 0 |
| AS198564CZ | ASELCOMA STARNET, s.r.o. | — | — | 0 |
| AS204183CZ | Omnivery-EU Omnivery s.r.o. | — | — | 0 |
| AS60143CZ | BR-IX-RS Brno University of Technology | — | — | 0 |
| AS202912CZ | PETR-HADRABA Petr Hadraba | — | — | 0 |
| AS202906CZ | CZ-ACR Ministerstvo Obrany | — | — | 0 |
| AS212325CZ | ADCSYSTEMS ADC Systems s.r.o. | — | — | 0 |
| AS58215CZ | Omniline-net-as Omniline Investment s.r.o. | — | — | 0 |
| AS206601CZ | ZELENADATA-AS FASTER CZ spol. s r.o. | — | — | 0 |
| AS57158CZ | ASMELVI ISP Alliance a.s. | — | — | 0 |
| AS207855CZ | ModernTV-Anycast SychrovNET s.r.o | — | — | 0 |